This kind of dish is called leek flower or leek. It is a perennial herb, belonging to Alliaceae. The leaves and stems of the leek flower are very slender, cylindrical, dark green, and the leaves of some varieties are slightly flat. Its head is a small flower, usually purple or white. Chive flower is a very common vegetable, which is especially popular in southern China. It can be used to stir fry vegetables, boil soup, and make dumplings. Its taste is refreshing, nutritious, and rich in vitamins and minerals.